Dr. Brenda Fitzgerald, director of the Centers for Disease Control and Prevention, resigned Wednesday following reports that she bought shares in a tobacco company, among other financial dealings that presented a conflict of interest.

A recent CDC study found seven out of 10 U.S. adults, ages 65 and older, have hypertension, but nearly half do not have it under control. A hypertension specialist at UT Southwestern Medical Center says the reasons go further than just forgetting to take needed medication.

Texas health officials recently made a change to doctor reimbursements that hasn’t gotten much notice. They’ve made it a little easier for low-income women and girls to get IUDs. Many health professionals see these contraceptives as the best way to stop unintended pregnancies. But many teens are skeptical.

Flu activity remains high in North Texas. Dallas County has reported five flu-related deaths this season. There have been two in Tarrant County.

With Texas and 45 other states reporting widespread flu activity, the Centers for Disease Control and Prevention (CDC) declared a flu epidemic. Part of the blame goes to the current flu vaccine. It's less effective against Influenza A or H3N2 - the more severe strain causing the majority of cases.

However, Dr. Glenn Hardesty says get the shot, if you haven’t already. The emergency room physician at Texas Health Arlington Memorial Hospital talked about the vaccine and the flu season in this edition of KERA’s consumer health series, Vital Signs.

[We will update this story throughout the day.] The condition of Nina Pham, the first Dallas nurse infected with Ebola, has been upgraded to good from fair, the National Institutes of Health announced Tuesday afternoon.

Yesterday was the first Sunday at Our Lady of Fatima Church since Nina Pham, the first nurse to become infected with the Ebola virus, was transferred from Texas Health Presbyterian Hospital to Maryland for continued treatment.

The medical director of disaster preparedness for Dallas County's public hospital system says staff members were disheartened to learn of a second nurse with Texas Health Presbyterian Hospital in Dallas contracting Ebola.

[We will update this post throughout the day.] The Centers for Disease Control and Prevention confirmed Sunday afternoon that the health care worker at Texas Health Presbyterian Hospital in Dallas has tested positive for the Ebola virus. It is the first known case of Ebola being contracted in the U.S.

Health officials today zeroed in on the Vickery Meadow apartment where Thomas Eric Duncan had been staying while he visited relatives. Those family members were ordered by the state to stay in that apartment so health officials can monitor them.

State health officials have alerted the U.S. Centers for Disease Control and Prevention about a potential for the outbreak of disease in border facilities where thousands of children are being detained.

The Centers for Disease Control put North Texas at the center of a national conference call on West Nile Virus. While Dallas, Fort Worth is clearly the most infected area in the country… the reason why, is not so clear.